Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michelle A Hassard, APRN FNP

Nurse Practitioner in Sullivan, MO · enumerated 2021.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1558023903

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Registry record

Entity type Individual (Type 1)

Name Michelle A Hassard

Credential APRN FNP

Sex Female

Practice address 965 Mattox Dr, Sullivan, MO, 63080

Phone (573) 860-6000

Enumeration date Oct 12, 2021

Last updated in NPPES Sep 22, 2025

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2021017741 (MO) Primary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2021017741 (MO) Secondary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Michelle Hassard practice?

The practice location on file with NPPES is in Sullivan, MO. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Michelle Hassard?

The National Provider Identifier (NPI) for Michelle Hassard is 1558023903, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Barbara Dixon-Scott Gastroenterology Physician · Sullivan, MO NPI 1669418216 Steven Fern Gastroenterology Physician · Sullivan, MO NPI 1417982760 Joseph Shumway Obstetrics & Gynecology Physician · Sullivan, MO NPI 1932125242 Mary Bjornstad Family Nurse Practitioner · Sullivan, MO NPI 1104935261 Jaroslaw Michalik Surgery Physician · Sullivan, MO NPI 1093826950 Mark Wasserman Obstetrics & Gynecology Physician · Sullivan, MO NPI 1225130933 Sharon Jackson Clinical Social Worker · Sullivan, MO NPI 1851462097 Roger Rembecki Obstetrics & Gynecology Physician · Sullivan, MO NPI 1396816880

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-22.